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87863a7426
[ Upstream commit b5154bf63e ]
'make dtbs_check' checks the shecma in addition to building *.dtb files,
in other words, 'make dtbs_check' is a super-set of 'make dtbs'.
So, you do not have to do 'make dtbs dtbs_check', but I want to keep
the build system as robust as possible in any use.
Currently, 'dtbs' and 'dtbs_check' are independent of each other.
In parallel building, two threads descend into arch/*/boot/dts/,
one for dtbs and the other for dtbs_check, then end up with building
the same DTB simultaneously.
This commit fixes the concurrency issue. Otherwise, I see build errors
like follows:
$ make ARCH=arm64 defconfig
$ make -j16 ARCH=arm64 DT_SCHEMA_FILES=Documentation/devicetree/bindings/arm/psci.yaml dtbs dtbs_check
<snip>
DTC arch/arm64/boot/dts/qcom/sdm845-cheza-r2.dtb
DTC arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtb
DTC arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dtb
DTC arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dtb
DTC arch/arm64/boot/dts/freescale/imx8mn-evk.dtb
DTC arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dtb
DTC arch/arm64/boot/dts/zte/zx296718-pcbox.dtb
DTC arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dt.yaml
DTC arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dtb
DTC arch/arm64/boot/dts/xilinx/zynqmp-zc1254-revA.dtb
DTC arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dtb
DTC arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet-inx.dtb
DTC arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dtb
CHECK arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dt.yaml
fixdep: error opening file: arch/arm64/boot/dts/allwinner/.sun50i-h6-orangepi-lite2.dtb.d: No such file or directory
make[2]: *** [scripts/Makefile.lib:296: arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dtb] Error 2
make[2]: *** Deleting file 'arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dtb'
make[2]: *** Waiting for unfinished jobs....
DTC arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet-kd.dtb
DTC arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p231.dtb
DTC arch/arm64/boot/dts/xilinx/zynqmp-zc1275-revA.dtb
DTC arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dtb
fixdep: parse error; no targets found
make[2]: *** [scripts/Makefile.lib:296: arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dtb] Error 1
make[2]: *** Deleting file 'arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dtb'
make[1]: *** [scripts/Makefile.build:505: arch/arm64/boot/dts/allwinner] Error 2
make[1]: *** Waiting for unfinished jobs....
DTC arch/arm64/boot/dts/renesas/r8a77951-salvator-xs.dtb
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.